202 Utility Patents
#60 in Kanagawa
#232 in Japan
#2,094 in the World
Forward Citations = 1,499
Company Filing History:

Nippon Steel Corporation

4. 16 out of 1,098
Nippon Steel & Sumitomo Metal Corporation
5. 13 out of 929
Sumitomo Metal Industries, Inc.
where one patent can have more than one assignee
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